Installation
5.2 Output-side connection
SITOP PSU100L
32 Manual, 08.2016, C98130-A7603-A1-2-7629
Required line-side protection
6EP1332-1LB00 (24 V/2.5 A)
Miniature circuit breaker (IEC 898), characteristic C, 3 A
Miniature circuit breaker (IEC 898), characteristic C, 6 A
6EP1334-1LB00 (24 V/10 A)
Miniature circuit breaker (IEC 898), characteristic C, 10 A
6EP1336-1LB00 (24 V/20 A)
Miniature circuit breaker (IEC 898), characteristic C, 10 A
The protective conductor of the line supply must be connected at the PE terminal.
Other country-specific regulations may have to be observed when installing the device.
SITOP PSU100L power supply provides an isolated (= non-grounded) SELV output voltage
(Safety Extra Low Voltage). The output of the power supply is no-load, overload, and short-
circuit proof. If an overload occurs, the electronic current limiting function limits the output
current to a maximum value (refer to Chapter Technical data (Page 33)).
Figure 5-2 Connection of the output voltage (example: 6EP1334-1LB00)
The output voltage is connected via the + and - terminals at the output of the power supply
(see Figure 5-2 Connection of the output voltage (example: 6EP1334-1LB00) (Page 32)).
Ensure that the output cables are dimensioned correctly for the maximum output current rms
value and fused accordingly.
Note
If the safety concept of the plant or system specifies that the DC output circuit should be
grounded (PELV), then it is permissible that the output voltage of the SITOP power supply is
grounded. In this case, ideally, th
e grounding at the output should be directly connected from
-" of the power supply to a suitable connection point of the protective conductor
system (PE) of the plant or system.
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